Explore topic-wise MCQs in Engineering.

In a comparator, the level of the reference voltage must be ________.

The response time for cadmium selenide (CdSe) is ________.

Schottky diodes have ________.

The JFET operates with a reverse-biased pn junction (gate-to source).

The three FET terminals are called source, base, and drain.

In a millivoltmeter, the diodes and the capacitor are used in ________ parts of the circuit.

________ can be used as a voltage-controlled voltage source.

In photodiodes, an increase in light intensity ________ the reverse current.

The p-n junction of a tunnel diode is doped at a level from ________ to ________ times that of a typical semiconductor diode.

In general, silicon ________.

The E-MOSFET has no physical channel.

One advantage of a JFET over the BJT is its high input resistance.

The MOSFET has no pn junction.

An OL indication on an advanced digital meter indicates ________ while checking a transistor.

The common-collector configuration has a ________ input impedance and a ________ output impedance.

The leads of a transistor are typically made of ________.

If the positive lead of an ohmmeter is connected to the base and the negative lead to the emitter, a low resistance reading would indicate a ________ transistor and a high resistance reading would indicate a ________ transistor.

Typical values of voltage amplification for the common-base configurations vary from ________ and the current gain is always ________ .

If a value of is specified for a particular transistor configuration it will normally be used for ________ calculations.

The doping of the sandwiched layer is ________ that of the outer layers.

The frequency of the 566 VCO is set by ________.

The 311 voltage comparator can operate from ________.

In interfacing circuitry, a receiver provides ________ input impedance to minimize loading of the input signal.

In an emitter-follower, the voltage gain is ________.

In ________ configuration(s) a depletion-type MOSFET can operate in enhancement mode.

A class C amplifier is a linear amplifier.

Class AB operation always requires a dual (+/ ) supply.

In ________ power amplifiers, the output signal varies for a full 360 of the cycle.

The arrow on the schematic symbol for a MOSFET indicates the channel material type.

A VMOS device can handle higher power and voltage than a conventional MOSFET.

It is not necessary to exercise any particular care in handling a MOSFET.

The Q-point in a JFET with voltage-divider bias is more stable than in a self-biased JFET.

In the saturation region the collector-base junction is ________-biased and the base-emitter junction is ________-biased for a transistor.

The base current is the ________ of the emitter and collector currents.

The outer layers of a transistor are ________ the sandwiched layer.

________is the least stabilized circuit.

One of the most important characteristics of the FET is its ________ impedance.

The pinch-off voltage continues to drop in a ________ manner as V_GS becomes more and more negative.

In a curve tracer, the ________ reveals the distance between the V_GS curves for the n-channel device.

Voltage multipliers take a dc input voltage, and provide a dc output voltage at a multiple of the input.

The load line is defined by the ________ and a characteristic curve is defined by the ________.

The slope of the load line depends on the ________.

Calculate the output voltage if V₁ = V₂ = 700 mV.

The input impedance of a voltage buffer is ________.

What is the function of a ladder network?

The feedback signal in a(n) ________ oscillator is derived from a capacitive voltage divider in the LC circuit.

For frequencies up to 1 MHz, the ________ is the most widely used type of sinusoidal RC oscillator.

In a full-wave rectifier, the dc voltage level is ________ the ripple voltage level.

Which of the following semiconductor materials is (are) used for manufacturing solar cells?

A Schottky diode has ________ level of current at the same applied bias compared to that of the p-n junction at both the forward- and reverse-bias regions.